cleidh_mor Tue, 02/26/2008 - 06:19

Was it a DHCP address that was given out that caused the problem?

You could simply put an ACL on your user VLAN interfaces blocking that IP.

jorgetomas Wed, 02/27/2008 - 02:08

No, the problen is that in the same Vlan a host (manually) puts the gateway IP, the network is broken.

cleidh_mor Wed, 02/27/2008 - 02:34

In that case, your best bet is probably to use static ARP entries so that a new host coming on to the network with that IP can't create a new ARP entry.

srue Wed, 02/27/2008 - 11:14

you can't tell the person who's 'stealing' this IP to stop doing it?

or shut down his switchport.

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